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5870 question

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For mainly wow what gpu should I get ? Been lookin mostly at Saffire.
How much better/faster is a 2gb version than a 1 gb ?
And whats the difference between "toxic" and "vapor x" ?

Heres the cards I`ve been looking at:



Sapphire Radeon HD 5870 2GB GDDR5
PCI-Express 2.0,"TOXIC Edition", 2xDVI-I, HDMI, DisplayPort, 925MHz,Full-Retail

Sapphire Radeon HD 5870 2GB GDDR5
PCI-Express 2.0, "VAPOR-X", 2xDVI-I, HDMI, DisplayPort, Full-Retail

Sapphire Radeon HD 5870 1GB GDDR5
PCI-Express 2.0,"VAPOR-X", 2xDVI-I, HDMI, DisplayPort, 875MHz, Full-Retail

Even been looking at this 1:

MSI Radeon HD 5870 1GB "Lightning" GDDR5
PCI-Express 2.0, 2xDVI-I, native-HDMI, DisplayPort, 900/4800MHz

But havent found much info on it.

Please advice

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Not better enough. DOn't spend the extra cash on 2gb, it just is not worth it.

As for VAPOR X, or TOXIC etc. they usually just mean the card has been customised a little - usually with a custom cooler and sometimes OC'd. I don't know more than that though as usually I just buy the basic card

Unless your running 2560 x 1600 or eyefinity then 2GB isn't worth it at all.

I would go for the MSI Lightening 5870 as it has a great cooler, and I believe it has a modified PCB for better overclocking.

The Toxic edition is faster than the Vapor-X, but not by much at all.

My advice is to not spend extra on vapor-x or toxic, as you can easily surpass their overclocks on your own. The better coolers I guess are alright, probably (hopefully) quieter than the reference model, but IMO still not really necessary. My 5850s are greatly OCed and run idle very low ~40C maybe 45C with 15% fan speed. Gaming gets to maybe between 60-70C; I set my custom fan profile to ramp up a lot at those temps so by 70C it's running 70% speed which is noticeable but given that I'm gaming I don't notice it over the sound of gunfire or ambient music. But that's just me some people might find the sound a little annoying.

ASUS has overclocking software and they cover overclocking under their warranty, i have one, OC the hell out of it and the temps are fine, 82*c max, usually idle at 35*c
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